[東京帝国大学船舶工学科卒業記念アルバム 昭和初期]
Source materials for Engineering History: The University of Tokyo Digital Archive | Graduate School of Engineering / Faculty of Engineering, Graduate School of Information Science and Technology
宣祖実録 第3帙 第1冊 巻16壬午15年(1582)
Image Database of Annals of the Joesen Dynasty, Formerly Held by The University of Tokyo General Library | General Library